211022030012021 has 16 divisors (see below), whose sum is σ = 227174365564608. Its totient is φ = 195652563523200.

The previous prime is 211022030011993. The next prime is 211022030012063. The reversal of 211022030012021 is 120210030220112.

It is a cyclic number.

It is not a de Polignac number, because 211022030012021 - 2⁴² = 206623983500917 is a prime.

It is a super-3 number, since 3×211022030012021³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211022030012071) 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, 1617432815 + ... + 1617563276.

It is an arithmetic number, because the mean of its divisors is an integer number (14198397847788).

Almost surely, 2^{211022030012021} is an apocalyptic number.

It is an amenable number.

211022030012021 is a deficient number, since it is larger than the sum of its proper divisors (16152335552587).

211022030012021 is a wasteful number, since it uses less digits than its factorization.

211022030012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234996212.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 211022030012021 its reverse (120210030220112), we get a palindrome (331232060232133).

The spelling of 211022030012021 in words is "two hundred eleven trillion, twenty-two billion, thirty million, twelve thousand, twenty-one".