121020210101000 has 64 divisors (see below), whose sum is σ = 323642619031680. Its totient is φ = 41492643460800.

The previous prime is 121020210100943. The next prime is 121020210101039. The reversal of 121020210101000 is 101012020121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8644293722 + ... + 8644307721.

It is an arithmetic number, because the mean of its divisors is an integer number (5056915922370).

Almost surely, 2^{121020210101000} is an apocalyptic number.

121020210101000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121020210101000 is an abundant number, since it is smaller than the sum of its proper divisors (202622408930680).

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

121020210101000 is a wasteful number, since it uses less digits than its factorization.

121020210101000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17288601471 (or 17288601457 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121020210101000 its reverse (101012020121), we get a palindrome (121121222121121).

The spelling of 121020210101000 in words is "one hundred twenty-one trillion, twenty billion, two hundred ten million, one hundred one thousand".