211311021031022 has 16 divisors (see below), whose sum is σ = 345799890633600. Its totient is φ = 96045403034040.

The previous prime is 211311021031003. The next prime is 211311021031057. The reversal of 211311021031022 is 220130120113112.

It is a junction number, because it is equal to n+sod(n) for n = 211311021030985 and 211311021031003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252626522 + ... + 253461597.

It is an arithmetic number, because the mean of its divisors is an integer number (21612493164600).

Almost surely, 2^{211311021031022} is an apocalyptic number.

211311021031022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211311021031022 is a deficient number, since it is larger than the sum of its proper divisors (134488869602578).

211311021031022 is a wasteful number, since it uses less digits than its factorization.

211311021031022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506107111.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 211311021031022 its reverse (220130120113112), we get a palindrome (431441141144134).

It can be divided in two parts, 2113110 and 21031022, that added together give a palindrome (23144132).

The spelling of 211311021031022 in words is "two hundred eleven trillion, three hundred eleven billion, twenty-one million, thirty-one thousand, twenty-two".