210021022201120 has 48 divisors (see below), whose sum is σ = 534341946874680. Its totient is φ = 77546223581184.

The previous prime is 210021022201063. The next prime is 210021022201121. The reversal of 210021022201120 is 21102220120012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 184287032455696 + 25733989745424 = 13575236^2 + 5072868^2 .

It is a super-3 number, since 3×210021022201120³ (a number of 44 digits) contains 333 as substring.

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 = 210021022201094 and 210021022201103.

It is not an unprimeable number, because it can be changed into a prime (210021022201121) 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, 50485820565 + ... + 50485824724.

Almost surely, 2^{210021022201120} is an apocalyptic number.

210021022201120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210021022201120 is an abundant number, since it is smaller than the sum of its proper divisors (324320924673560).

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

210021022201120 is a wasteful number, since it uses less digits than its factorization.

210021022201120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100971645317 (or 100971645309 counting only the distinct ones).

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

Adding to 210021022201120 its reverse (21102220120012), we get a palindrome (231123242321132).

The spelling of 210021022201120 in words is "two hundred ten trillion, twenty-one billion, twenty-two million, two hundred one thousand, one hundred twenty".