211212101211022 has 32 divisors (see below), whose sum is σ = 318670752201984. Its totient is φ = 104989829875200.

The previous prime is 211212101210987. The next prime is 211212101211061. The reversal of 211212101211022 is 220112101212112.

It is a happy number.

It is a super-2 number, since 2×211212101211022² (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 in 15 ways as a sum of consecutive naturals, for example, 4351186072 + ... + 4351234612.

It is an arithmetic number, because the mean of its divisors is an integer number (9958461006312).

Almost surely, 2^{211212101211022} is an apocalyptic number.

211212101211022 is a deficient number, since it is larger than the sum of its proper divisors (107458650990962).

211212101211022 is a wasteful number, since it uses less digits than its factorization.

211212101211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61804.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211212101211022 its reverse (220112101212112), we get a palindrome (431324202423134).

The spelling of 211212101211022 in words is "two hundred eleven trillion, two hundred twelve billion, one hundred one million, two hundred eleven thousand, twenty-two".