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10102202211220 = 225772158587223
BaseRepresentation
bin1001001100000001101000…
…1011001001101110010100
31022202202112211201111221121
42103000122023021232110
52311003302231224340
633252515421053324
72061600662661550
oct223003213115624
938682484644847
1010102202211220
113245357869a99
121171a5b0b7244
13583830c91c12
1426cd40844860
15127bac68494a
hex9301a2c9b94

10102202211220 has 24 divisors (see below), whose sum is σ = 24245285307264. Its totient is φ = 3463612186656.

The previous prime is 10102202211191. The next prime is 10102202211229. The reversal of 10102202211220 is 2211220220101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10102202211194 and 10102202211203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102202211229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36079293472 + ... + 36079293751.

It is an arithmetic number, because the mean of its divisors is an integer number (1010220221136).

Almost surely, 210102202211220 is an apocalyptic number.

10102202211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10102202211220 is an abundant number, since it is smaller than the sum of its proper divisors (14143083096044).

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

10102202211220 is a wasteful number, since it uses less digits than its factorization.

10102202211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72158587239 (or 72158587237 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10102202211220 its reverse (2211220220101), we get a palindrome (12313422431321).

The spelling of 10102202211220 in words is "ten trillion, one hundred two billion, two hundred two million, two hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 72158587223 144317174446 288634348892 360792936115 505110110561 721585872230 1010220221122 1443171744460 2020440442244 2525550552805 5051101105610 10102202211220