212001021022011 has 32 divisors (see below), whose sum is σ = 306128026810368. Its totient is φ = 129728320416000.

The previous prime is 212001021021913. The next prime is 212001021022073. The reversal of 212001021022011 is 110220120100212.

It is not a de Polignac number, because 212001021022011 - 2²² = 212001016827707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212001021022711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11897506 + ... + 23781351.

It is an arithmetic number, because the mean of its divisors is an integer number (9566500837824).

Almost surely, 2^{212001021022011} is an apocalyptic number.

212001021022011 is a deficient number, since it is larger than the sum of its proper divisors (94127005788357).

212001021022011 is a wasteful number, since it uses less digits than its factorization.

212001021022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35679731.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212001021022011 its reverse (110220120100212), we get a palindrome (322221141122223).

The spelling of 212001021022011 in words is "two hundred twelve trillion, one billion, twenty-one million, twenty-two thousand, eleven".