2211012202126 has 32 divisors (see below), whose sum is σ = 4111663389120. Its totient is φ = 868301565696.

The previous prime is 2211012202109. The next prime is 2211012202127. The reversal of 2211012202126 is 6212022101122.

It is a junction number, because it is equal to n+sod(n) for n = 2211012202097 and 2211012202106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211012202127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44312361 + ... + 44362228.

It is an arithmetic number, because the mean of its divisors is an integer number (128489480910).

Almost surely, 2^{2211012202126} is an apocalyptic number.

2211012202126 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2211012202126 is a deficient number, since it is larger than the sum of its proper divisors (1900651186994).

2211012202126 is a wasteful number, since it uses less digits than its factorization.

2211012202126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88674748.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 2211012202126 its reverse (6212022101122), we get a palindrome (8423034303248).

The spelling of 2211012202126 in words is "two trillion, two hundred eleven billion, twelve million, two hundred two thousand, one hundred twenty-six".