211131222022 has 32 divisors (see below), whose sum is σ = 366442449984. Its totient is φ = 89364710400.

The previous prime is 211131222019. The next prime is 211131222031. The reversal of 211131222022 is 220222131112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207072 + ... + 682012.

It is an arithmetic number, because the mean of its divisors is an integer number (11451326562).

Almost surely, 2^211131222022 is an apocalyptic number.

211131222022 is a deficient number, since it is larger than the sum of its proper divisors (155311227962).

211131222022 is a wasteful number, since it uses less digits than its factorization.

211131222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475344.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 211131222022 its reverse (220222131112), we get a palindrome (431353353134).

The spelling of 211131222022 in words is "two hundred eleven billion, one hundred thirty-one million, two hundred twenty-two thousand, twenty-two".