121001211202112 has 28 divisors (see below), whose sum is σ = 240184562098800. Its totient is φ = 60482266421376.

The previous prime is 121001211202111. The next prime is 121001211202121. The reversal of 121001211202112 is 211202112100121.

It is a super-2 number, since 2×121001211202112² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121001211202111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286336898 + ... + 286759169.

Almost surely, 2^{121001211202112} is an apocalyptic number.

It is an amenable number.

121001211202112 is a deficient number, since it is larger than the sum of its proper divisors (119183350896688).

121001211202112 is an equidigital number, since it uses as much as digits as its factorization.

121001211202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573099378 (or 573099368 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121001211202112 its reverse (211202112100121), we get a palindrome (332203323302233).

The spelling of 121001211202112 in words is "one hundred twenty-one trillion, one billion, two hundred eleven million, two hundred two thousand, one hundred twelve".