101012121201 has 16 divisors (see below), whose sum is σ = 136557590400. Its totient is φ = 66410023680.

The previous prime is 101012121181. The next prime is 101012121233. The reversal of 101012121201 is 102121210101.

It is not a de Polignac number, because 101012121201 - 2¹⁰ = 101012120177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101012121251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681210 + ... + 816131.

It is an arithmetic number, because the mean of its divisors is an integer number (8534849400).

Almost surely, 2^101012121201 is an apocalyptic number.

It is an amenable number.

101012121201 is a deficient number, since it is larger than the sum of its proper divisors (35545469199).

101012121201 is a wasteful number, since it uses less digits than its factorization.

101012121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497656.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101012121201 its reverse (102121210101), we get a palindrome (203133331302).

The spelling of 101012121201 in words is "one hundred one billion, twelve million, one hundred twenty-one thousand, two hundred one".