212120002211131 has 16 divisors (see below), whose sum is σ = 245746663488448. Its totient is φ = 179324351539200.

The previous prime is 212120002211123. The next prime is 212120002211177. The reversal of 212120002211131 is 131112200021212.

It is not a de Polignac number, because 212120002211131 - 2³ = 212120002211123 is a prime.

It is a super-2 number, since 2×212120002211131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212120002211099 and 212120002211108.

It is not an unprimeable number, because it can be changed into a prime (212120002211731) 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, 40972141 + ... + 45858001.

It is an arithmetic number, because the mean of its divisors is an integer number (15359166468028).

Almost surely, 2^{212120002211131} is an apocalyptic number.

212120002211131 is a deficient number, since it is larger than the sum of its proper divisors (33626661277317).

212120002211131 is an equidigital number, since it uses as much as digits as its factorization.

212120002211131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4970902.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 212120002211131 its reverse (131112200021212), we get a palindrome (343232202232343).

The spelling of 212120002211131 in words is "two hundred twelve trillion, one hundred twenty billion, two million, two hundred eleven thousand, one hundred thirty-one".