101012011202121 has 4 divisors (see below), whose sum is σ = 134682681602832. Its totient is φ = 67341340801412.

The previous prime is 101012011202087. The next prime is 101012011202189. The reversal of 101012011202121 is 121202110210101.

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 101012011202121 - 2⁷ = 101012011201993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101012011202121.

It is not an unprimeable number, because it can be changed into a prime (101012011282121) 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, 16835335200351 + ... + 16835335200356.

It is an arithmetic number, because the mean of its divisors is an integer number (33670670400708).

Almost surely, 2^{101012011202121} is an apocalyptic number.

It is an amenable number.

101012011202121 is a deficient number, since it is larger than the sum of its proper divisors (33670670400711).

101012011202121 is an equidigital number, since it uses as much as digits as its factorization.

101012011202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33670670400710.

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

Adding to 101012011202121 its reverse (121202110210101), we get a palindrome (222214121412222).

The spelling of 101012011202121 in words is "one hundred one trillion, twelve billion, eleven million, two hundred two thousand, one hundred twenty-one".