201120010101220 has 48 divisors (see below), whose sum is σ = 482691686158080. Its totient is φ = 68954908904064.

The previous prime is 201120010101163. The next prime is 201120010101253. The reversal of 201120010101220 is 22101010021102.

It is a super-2 number, since 2×201120010101220² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201120010101220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13300026 + ... + 24065134.

It is an arithmetic number, because the mean of its divisors is an integer number (10056076794960).

Almost surely, 2^{201120010101220} is an apocalyptic number.

201120010101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201120010101220 is an abundant number, since it is smaller than the sum of its proper divisors (281571676056860).

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

201120010101220 is a wasteful number, since it uses less digits than its factorization.

201120010101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10898572 (or 10898570 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201120010101220 its reverse (22101010021102), we get a palindrome (223221020122322).

The spelling of 201120010101220 in words is "two hundred one trillion, one hundred twenty billion, ten million, one hundred one thousand, two hundred twenty".