201222010021120 has 72 divisors (see below), whose sum is σ = 525806831904480. Its totient is φ = 73171640002560.

The previous prime is 201222010021111. The next prime is 201222010021121. The reversal of 201222010021120 is 21120010222102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 201222010021094 and 201222010021103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201222010021121) 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, 7145653890 + ... + 7145682049.

It is an arithmetic number, because the mean of its divisors is an integer number (7302872665340).

Almost surely, 2^{201222010021120} is an apocalyptic number.

201222010021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201222010021120 is an abundant number, since it is smaller than the sum of its proper divisors (324584821883360).

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

201222010021120 is a wasteful number, since it uses less digits than its factorization.

201222010021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14291335971 (or 14291335957 counting only the distinct ones).

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

Adding to 201222010021120 its reverse (21120010222102), we get a palindrome (222342020243222).

The spelling of 201222010021120 in words is "two hundred one trillion, two hundred twenty-two billion, ten million, twenty-one thousand, one hundred twenty".