210201121112220 has 96 divisors (see below), whose sum is σ = 747381763968000. Its totient is φ = 48045970539072.

The previous prime is 210201121112209. The next prime is 210201121112291. The reversal of 210201121112220 is 22211121102012.

210201121112220 is a `hidden beast` number, since 2 + 10 + 201 + 121 + 112 + 220 = 666.

210201121112220 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×210201121112220² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210201121112193 and 210201121112202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27804377320 + ... + 27804384879.

It is an arithmetic number, because the mean of its divisors is an integer number (7785226708000).

Almost surely, 2^{210201121112220} is an apocalyptic number.

210201121112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210201121112220 is an abundant number, since it is smaller than the sum of its proper divisors (537180642855780).

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

210201121112220 is a wasteful number, since it uses less digits than its factorization.

210201121112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55608762224 (or 55608762216 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 210201121112220 its reverse (22211121102012), we get a palindrome (232412242214232).

The spelling of 210201121112220 in words is "two hundred ten trillion, two hundred one billion, one hundred twenty-one million, one hundred twelve thousand, two hundred twenty".