211012011201021 has 8 divisors (see below), whose sum is σ = 286117981289760. Its totient is φ = 138290357623152.

The previous prime is 211012011200971. The next prime is 211012011201029. The reversal of 211012011201021 is 120102110210112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211012011201021 - 2⁶ = 211012011200957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211012011201029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596079127510 + ... + 596079127863.

It is an arithmetic number, because the mean of its divisors is an integer number (35764747661220).

Almost surely, 2^{211012011201021} is an apocalyptic number.

It is an amenable number.

211012011201021 is a deficient number, since it is larger than the sum of its proper divisors (75105970088739).

211012011201021 is a wasteful number, since it uses less digits than its factorization.

211012011201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192158255435.

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

Adding to 211012011201021 its reverse (120102110210112), we get a palindrome (331114121411133).

Subtracting from 211012011201021 its reverse (120102110210112), we obtain a palindrome (90909900990909).

The spelling of 211012011201021 in words is "two hundred eleven trillion, twelve billion, eleven million, two hundred one thousand, twenty-one".