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10111102212220 = 2251244474062413
BaseRepresentation
bin1001001100100010110010…
…1001111101100001111100
31022210121112002122102010021
42103020230221331201330
52311130014131242340
633300550511021524
72062334352513412
oct223105451754174
938717462572107
1010111102212220
11324910466a519
12117372380a8a4
1358461bacbcb9
1426d5468692b2
1512802dbabe4a
hex9322ca7d87c

10111102212220 has 24 divisors (see below), whose sum is σ = 21233490493824. Its totient is φ = 4044407390016.

The previous prime is 10111102212181. The next prime is 10111102212269. The reversal of 10111102212220 is 2221220111101.

10111102212220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10111102212194 and 10111102212203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457734 + ... + 4520146.

It is an arithmetic number, because the mean of its divisors is an integer number (884728770576).

Almost surely, 210111102212220 is an apocalyptic number.

10111102212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111102212220 is an abundant number, since it is smaller than the sum of its proper divisors (11122388281604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10111102212220 is a wasteful number, since it uses less digits than its factorization.

10111102212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4186869 (or 4186867 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10111102212220 its reverse (2221220111101), we get a palindrome (12332322323321).

The spelling of 10111102212220 in words is "ten trillion, one hundred eleven billion, one hundred two million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 124447 248894 497788 622235 1244470 2488940 4062413 8124826 16249652 20312065 40624130 81248260 505555110611 1011110221222 2022220442444 2527775553055 5055551106110 10111102212220