202021210001120 has 72 divisors (see below), whose sum is σ = 478505248331544. Its totient is φ = 80600740448768.

The previous prime is 202021210001119. The next prime is 202021210001167. The reversal of 202021210001120 is 21100012120202.

It is a junction number, because it is equal to n+sod(n) for n = 202021210001095 and 202021210001104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20039327 + ... + 28383393.

It is an arithmetic number, because the mean of its divisors is an integer number (6645906226827).

Almost surely, 2^{202021210001120} is an apocalyptic number.

202021210001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202021210001120 is an abundant number, since it is smaller than the sum of its proper divisors (276484038330424).

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

202021210001120 is an frugal number, since it uses more digits than its factorization.

202021210001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8344860 (or 8344463 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202021210001120 its reverse (21100012120202), we get a palindrome (223121222121322).

The spelling of 202021210001120 in words is "two hundred two trillion, twenty-one billion, two hundred ten million, one thousand, one hundred twenty".