1200100211022 has 16 divisors (see below), whose sum is σ = 2400786028800. Its totient is φ = 399935802552.

The previous prime is 1200100211017. The next prime is 1200100211027. The reversal of 1200100211022 is 2201120010021.

It is an interprime number because it is at equal distance from previous prime (1200100211017) and next prime (1200100211027).

It is a junction number, because it is equal to n+sod(n) for n = 1200100210989 and 1200100211007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200100211027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24373638 + ... + 24422825.

It is an arithmetic number, because the mean of its divisors is an integer number (150049126800).

Almost surely, 2^{1200100211022} is an apocalyptic number.

1200100211022 is an abundant number, since it is smaller than the sum of its proper divisors (1200685817778).

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

1200100211022 is a wasteful number, since it uses less digits than its factorization.

1200100211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48800567.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1200100211022 its reverse (2201120010021), we get a palindrome (3401220221043).

The spelling of 1200100211022 in words is "one trillion, two hundred billion, one hundred million, two hundred eleven thousand, twenty-two".