201021121001120 has 48 divisors (see below), whose sum is σ = 542757026706048. Its totient is φ = 68921527200000.

The previous prime is 201021121001111. The next prime is 201021121001153. The reversal of 201021121001120 is 21100121120102.

It is a super-2 number, since 2×201021121001120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 201021121001095 and 201021121001104.

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, 89741570756 + ... + 89741572995.

It is an arithmetic number, because the mean of its divisors is an integer number (11307438056376).

Almost surely, 2^{201021121001120} is an apocalyptic number.

201021121001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201021121001120 is an abundant number, since it is smaller than the sum of its proper divisors (341735905704928).

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

201021121001120 is a wasteful number, since it uses less digits than its factorization.

201021121001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179483143773 (or 179483143765 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201021121001120 its reverse (21100121120102), we get a palindrome (222121242121222).

The spelling of 201021121001120 in words is "two hundred one trillion, twenty-one billion, one hundred twenty-one million, one thousand, one hundred twenty".