121012011021102 has 32 divisors (see below), whose sum is σ = 242454617433600. Its totient is φ = 40265575035840.

The previous prime is 121012011021091. The next prime is 121012011021119. The reversal of 121012011021102 is 201120110210121.

It is a happy number.

It is a super-2 number, since 2×121012011021102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 127739274 + ... + 128683122.

It is an arithmetic number, because the mean of its divisors is an integer number (7576706794800).

Almost surely, 2^{121012011021102} is an apocalyptic number.

121012011021102 is an abundant number, since it is smaller than the sum of its proper divisors (121442606412498).

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

121012011021102 is a wasteful number, since it uses less digits than its factorization.

121012011021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981848.

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

Adding to 121012011021102 its reverse (201120110210121), we get a palindrome (322132121231223).

The spelling of 121012011021102 in words is "one hundred twenty-one trillion, twelve billion, eleven million, twenty-one thousand, one hundred two".