121122100021012 has 12 divisors (see below), whose sum is σ = 211972092148096. Its totient is φ = 60558645121560.

The previous prime is 121122100020931. The next prime is 121122100021037. The reversal of 121122100021012 is 210120001221121.

It is a super-2 number, since 2×121122100021012² (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 3 ways as a sum of consecutive naturals, for example, 601108914 + ... + 601310377.

Almost surely, 2^{121122100021012} is an apocalyptic number.

It is an amenable number.

121122100021012 is a deficient number, since it is larger than the sum of its proper divisors (90849992127084).

121122100021012 is a wasteful number, since it uses less digits than its factorization.

121122100021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202444478 (or 1202444476 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121122100021012 its reverse (210120001221121), we get a palindrome (331242101242133).

The spelling of 121122100021012 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred million, twenty-one thousand, twelve".