121012201112 has 32 divisors (see below), whose sum is σ = 247538451600. Its totient is φ = 55002547200.

The previous prime is 121012201111. The next prime is 121012201213. The reversal of 121012201112 is 211102210121.

It is a super-2 number, since 2×121012201112² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121012201111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2795312 + ... + 2838272.

Almost surely, 2^121012201112 is an apocalyptic number.

It is an amenable number.

121012201112 is an abundant number, since it is smaller than the sum of its proper divisors (126526250488).

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

121012201112 is a wasteful number, since it uses less digits than its factorization.

121012201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74987 (or 74983 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121012201112 its reverse (211102210121), we get a palindrome (332114411233).

Subtracting 121012201112 from its reverse (211102210121), we obtain a palindrome (90090009009).

The spelling of 121012201112 in words is "one hundred twenty-one billion, twelve million, two hundred one thousand, one hundred twelve".