101011210212021 has 32 divisors (see below), whose sum is σ = 139597493460480. Its totient is φ = 64916500363776.

The previous prime is 101011210211993. The next prime is 101011210212023. The reversal of 101011210212021 is 120212012110101.

It is a happy number.

It is not a de Polignac number, because 101011210212021 - 2¹⁰ = 101011210210997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101011210212023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260866660 + ... + 261253586.

It is an arithmetic number, because the mean of its divisors is an integer number (4362421670640).

Almost surely, 2^{101011210212021} is an apocalyptic number.

It is an amenable number.

101011210212021 is a deficient number, since it is larger than the sum of its proper divisors (38586283248459).

101011210212021 is a wasteful number, since it uses less digits than its factorization.

101011210212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408653.

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

Adding to 101011210212021 its reverse (120212012110101), we get a palindrome (221223222322122).

The spelling of 101011210212021 in words is "one hundred one trillion, eleven billion, two hundred ten million, two hundred twelve thousand, twenty-one".