121201010211122 has 24 divisors (see below), whose sum is σ = 192975781548096. Its totient is φ = 56983230959864.

The previous prime is 121201010211119. The next prime is 121201010211133. The reversal of 121201010211122 is 221112010102121.

It is a super-2 number, since 2×121201010211122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121201010211122.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 378294998 + ... + 378615249.

It is an arithmetic number, because the mean of its divisors is an integer number (8040657564504).

Almost surely, 2^{121201010211122} is an apocalyptic number.

121201010211122 is a deficient number, since it is larger than the sum of its proper divisors (71774771336974).

121201010211122 is an equidigital number, since it uses as much as digits as its factorization.

121201010211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756910390 (or 756910331 counting only the distinct ones).

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

Adding to 121201010211122 its reverse (221112010102121), we get a palindrome (342313020313243).

The spelling of 121201010211122 in words is "one hundred twenty-one trillion, two hundred one billion, ten million, two hundred eleven thousand, one hundred twenty-two".