211122021021022 has 4 divisors (see below), whose sum is σ = 316683031531536. Its totient is φ = 105561010510510.

The previous prime is 211122021021019. The next prime is 211122021021061. The reversal of 211122021021022 is 220120120221112.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52780505255254 + ... + 52780505255257.

It is an arithmetic number, because the mean of its divisors is an integer number (79170757882884).

Almost surely, 2^{211122021021022} is an apocalyptic number.

211122021021022 is a deficient number, since it is larger than the sum of its proper divisors (105561010510514).

211122021021022 is a wasteful number, since it uses less digits than its factorization.

211122021021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105561010510513.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211122021021022 its reverse (220120120221112), we get a palindrome (431242141242134).

The spelling of 211122021021022 in words is "two hundred eleven trillion, one hundred twenty-two billion, twenty-one million, twenty-one thousand, twenty-two".