210120101110012 has 6 divisors (see below), whose sum is σ = 367710176942528. Its totient is φ = 105060050555004.

The previous prime is 210120101109983. The next prime is 210120101110021. The reversal of 210120101110012 is 210011101021012.

It is a happy number.

It is a super-2 number, since 2×210120101110012² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210120101109974 and 210120101110001.

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, 26265012638748 + ... + 26265012638755.

Almost surely, 2^{210120101110012} is an apocalyptic number.

It is an amenable number.

210120101110012 is a deficient number, since it is larger than the sum of its proper divisors (157590075832516).

210120101110012 is a wasteful number, since it uses less digits than its factorization.

210120101110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52530025277507 (or 52530025277505 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210120101110012 its reverse (210011101021012), we get a palindrome (420131202131024).

The spelling of 210120101110012 in words is "two hundred ten trillion, one hundred twenty billion, one hundred one million, one hundred ten thousand, twelve".