101021211012201 has 4 divisors (see below), whose sum is σ = 134694948016272. Its totient is φ = 67347474008132.

The previous prime is 101021211012167. The next prime is 101021211012203. The reversal of 101021211012201 is 102210112120101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101021211012201 - 2⁴³ = 92225117989993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101021211012203) 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, 16836868502031 + ... + 16836868502036.

It is an arithmetic number, because the mean of its divisors is an integer number (33673737004068).

Almost surely, 2^{101021211012201} is an apocalyptic number.

It is an amenable number.

101021211012201 is a deficient number, since it is larger than the sum of its proper divisors (33673737004071).

101021211012201 is an equidigital number, since it uses as much as digits as its factorization.

101021211012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33673737004070.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101021211012201 its reverse (102210112120101), we get a palindrome (203231323132302).

The spelling of 101021211012201 in words is "one hundred one trillion, twenty-one billion, two hundred eleven million, twelve thousand, two hundred one".