121021000002110 has 32 divisors (see below), whose sum is σ = 235429409984832. Its totient is φ = 44525656707840.

The previous prime is 121021000002109. The next prime is 121021000002113. The reversal of 121021000002110 is 11200000120121.

It is a junction number, because it is equal to n+sod(n) for n = 121021000002091 and 121021000002100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121021000002113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1656423914 + ... + 1656496973.

It is an arithmetic number, because the mean of its divisors is an integer number (7357169062026).

Almost surely, 2^{121021000002110} is an apocalyptic number.

121021000002110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121021000002110 is a deficient number, since it is larger than the sum of its proper divisors (114408409982722).

121021000002110 is a wasteful number, since it uses less digits than its factorization.

121021000002110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312921188.

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

Adding to 121021000002110 its reverse (11200000120121), we get a palindrome (132221000122231).

The spelling of 121021000002110 in words is "one hundred twenty-one trillion, twenty-one billion, two thousand, one hundred ten".