121110102121010 has 16 divisors (see below), whose sum is σ = 218100195173016. Its totient is φ = 48421371658368.

The previous prime is 121110102120991. The next prime is 121110102121037. The reversal of 121110102121010 is 10121201011121.

It can be written as a sum of positive squares in 4 ways, for example, as 29491340331649 + 91618761789361 = 5430593^2 + 9571769^2 .

It is a super-2 number, since 2×121110102121010² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2833626317 + ... + 2833669056.

Almost surely, 2^{121110102121010} is an apocalyptic number.

121110102121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121110102121010 is a deficient number, since it is larger than the sum of its proper divisors (96990093052006).

121110102121010 is a wasteful number, since it uses less digits than its factorization.

121110102121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5667297517.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121110102121010 its reverse (10121201011121), we get a palindrome (131231303132131).

The spelling of 121110102121010 in words is "one hundred twenty-one trillion, one hundred ten billion, one hundred two million, one hundred twenty-one thousand, ten".