1121011021102 has 64 divisors (see below), whose sum is σ = 2139061800960. Its totient is φ = 429721977600.

The previous prime is 1121011021049. The next prime is 1121011021153. The reversal of 1121011021102 is 2011201101211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1319793 + ... + 1995964.

It is an arithmetic number, because the mean of its divisors is an integer number (33422840640).

Almost surely, 2^{1121011021102} is an apocalyptic number.

1121011021102 is a deficient number, since it is larger than the sum of its proper divisors (1018050779858).

1121011021102 is a wasteful number, since it uses less digits than its factorization.

1121011021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315857.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1121011021102 its reverse (2011201101211), we get a palindrome (3132212122313).

The spelling of 1121011021102 in words is "one trillion, one hundred twenty-one billion, eleven million, twenty-one thousand, one hundred two".