212011102122 has 16 divisors (see below), whose sum is σ = 432022623840. Its totient is φ = 69336964112.

The previous prime is 212011102103. The next prime is 212011102183. The reversal of 212011102122 is 221201110212.

It is a super-2 number, since 2×212011102122² (a number of 23 digits) contains 22 as substring.

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, 333350472 + ... + 333351107.

It is an arithmetic number, because the mean of its divisors is an integer number (27001413990).

Almost surely, 2^212011102122 is an apocalyptic number.

212011102122 is an abundant number, since it is smaller than the sum of its proper divisors (220011521718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212011102122 is a wasteful number, since it uses less digits than its factorization.

212011102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666701637.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212011102122 its reverse (221201110212), we get a palindrome (433212212334).

It can be divided in two parts, 21201110212 and 2, that multiplied together give a palindrome (42402220424).

The spelling of 212011102122 in words is "two hundred twelve billion, eleven million, one hundred two thousand, one hundred twenty-two".