120121011222102 has 48 divisors (see below), whose sum is σ = 285664245392448. Its totient is φ = 36176991657840.

The previous prime is 120121011222101. The next prime is 120121011222103. The reversal of 120121011222102 is 201222110121021.

120121011222102 is a `hidden beast` number, since 120 + 1 + 210 + 1 + 122 + 210 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (120121011222101) and next prime (120121011222103).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120121011222101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1860924088 + ... + 1860988635.

It is an arithmetic number, because the mean of its divisors is an integer number (5951338445676).

Almost surely, 2^{120121011222102} is an apocalyptic number.

120121011222102 is an abundant number, since it is smaller than the sum of its proper divisors (165543234170346).

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

120121011222102 is a wasteful number, since it uses less digits than its factorization.

120121011222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3721912905 (or 3721912902 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120121011222102 its reverse (201222110121021), we get a palindrome (321343121343123).

The spelling of 120121011222102 in words is "one hundred twenty trillion, one hundred twenty-one billion, eleven million, two hundred twenty-two thousand, one hundred two".