121011002121112 has 8 divisors (see below), whose sum is σ = 226895628977100. Its totient is φ = 60505501060552.

The previous prime is 121011002121109. The next prime is 121011002121131. The reversal of 121011002121112 is 211121200110121.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×121011002121112² (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 as a sum of consecutive naturals, namely, 7563187632562 + ... + 7563187632577.

Almost surely, 2^{121011002121112} is an apocalyptic number.

It is an amenable number.

121011002121112 is a deficient number, since it is larger than the sum of its proper divisors (105884626855988).

121011002121112 is a wasteful number, since it uses less digits than its factorization.

121011002121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15126375265145 (or 15126375265141 counting only the distinct ones).

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

Adding to 121011002121112 its reverse (211121200110121), we get a palindrome (332132202231233).

The spelling of 121011002121112 in words is "one hundred twenty-one trillion, eleven billion, two million, one hundred twenty-one thousand, one hundred twelve".