121011120022110 has 16 divisors (see below), whose sum is σ = 290426688053136. Its totient is φ = 32269632005888.

The previous prime is 121011120022061. The next prime is 121011120022157. The reversal of 121011120022110 is 11220021110121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 121011120022110.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2016852000339 + ... + 2016852000398.

It is an arithmetic number, because the mean of its divisors is an integer number (18151668003321).

Almost surely, 2^{121011120022110} is an apocalyptic number.

121011120022110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121011120022110 is an abundant number, since it is smaller than the sum of its proper divisors (169415568031026).

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

121011120022110 is a wasteful number, since it uses less digits than its factorization.

121011120022110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033704000747.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121011120022110 its reverse (11220021110121), we get a palindrome (132231141132231).

The spelling of 121011120022110 in words is "one hundred twenty-one trillion, eleven billion, one hundred twenty million, twenty-two thousand, one hundred ten".