211220102110022 has 4 divisors (see below), whose sum is σ = 316830153165036. Its totient is φ = 105610051055010.

The previous prime is 211220102110019. The next prime is 211220102110057. The reversal of 211220102110022 is 220011201022112.

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

It is a super-2 number, since 2×211220102110022² (a number of 29 digits) contains 22 as substring.

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, 52805025527504 + ... + 52805025527507.

It is an arithmetic number, because the mean of its divisors is an integer number (79207538291259).

Almost surely, 2^{211220102110022} is an apocalyptic number.

211220102110022 is a deficient number, since it is larger than the sum of its proper divisors (105610051055014).

211220102110022 is a wasteful number, since it uses less digits than its factorization.

211220102110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105610051055013.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211220102110022 its reverse (220011201022112), we get a palindrome (431231303132134).

The spelling of 211220102110022 in words is "two hundred eleven trillion, two hundred twenty billion, one hundred two million, one hundred ten thousand, twenty-two".