1211022200022 has 16 divisors (see below), whose sum is σ = 2422119490560. Its totient is φ = 403661551592.

The previous prime is 1211022199999. The next prime is 1211022200081. The reversal of 1211022200022 is 2200022201121.

It is a super-2 number, since 2×1211022200022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1211022199974 and 1211022200010.

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, 2918022 + ... + 3307097.

It is an arithmetic number, because the mean of its divisors is an integer number (151382468160).

Almost surely, 2^{1211022200022} is an apocalyptic number.

1211022200022 is an abundant number, since it is smaller than the sum of its proper divisors (1211097290538).

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

1211022200022 is a wasteful number, since it uses less digits than its factorization.

1211022200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6257547.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1211022200022 its reverse (2200022201121), we get a palindrome (3411044401143).

The spelling of 1211022200022 in words is "one trillion, two hundred eleven billion, twenty-two million, two hundred thousand, twenty-two".