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10222101021220 = 22511711735636719
BaseRepresentation
bin1001010011000000010010…
…1100110100001000100100
31100012020000210111010212021
42110300010230310020210
52314434330330134340
633423545100432524
72103344123024434
oct224600454641044
940166023433767
1010222101021220
11329119459a610
121191140b48744
13591c2b209c3a
14274a7656a2c4
1512ad787ece4a
hex94c04b34224

10222101021220 has 192 divisors, whose sum is σ = 23930989608960. Its totient is φ = 3636577011200.

The previous prime is 10222101021193. The next prime is 10222101021247. The reversal of 10222101021220 is 2212010122201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10222101021193) and next prime (10222101021247).

It is a junction number, because it is equal to n+sod(n) for n = 10222101021194 and 10222101021203.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1521369021 + ... + 1521375739.

It is an arithmetic number, because the mean of its divisors is an integer number (124640570880).

Almost surely, 210222101021220 is an apocalyptic number.

10222101021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10222101021220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11965494804480).

10222101021220 is an abundant number, since it is smaller than the sum of its proper divisors (13708888587740).

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

10222101021220 is a wasteful number, since it uses less digits than its factorization.

10222101021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7546 (or 7544 counting only the distinct ones).

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

Adding to 10222101021220 its reverse (2212010122201), we get a palindrome (12434111143421).

The spelling of 10222101021220 in words is "ten trillion, two hundred twenty-two billion, one hundred one million, twenty-one thousand, two hundred twenty".