1211110100202 has 16 divisors (see below), whose sum is σ = 2423951611200. Its totient is φ = 403414798272.

The previous prime is 1211110100201. The next prime is 1211110100237. The reversal of 1211110100202 is 2020010111121.

It is a super-2 number, since 2×1211110100202² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1211110100201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72133023 + ... + 72149810.

It is an arithmetic number, because the mean of its divisors is an integer number (151496975700).

Almost surely, 2^{1211110100202} is an apocalyptic number.

1211110100202 is an abundant number, since it is smaller than the sum of its proper divisors (1212841510998).

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

1211110100202 is a wasteful number, since it uses less digits than its factorization.

1211110100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144284237.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1211110100202 its reverse (2020010111121), we get a palindrome (3231120211323).

The spelling of 1211110100202 in words is "one trillion, two hundred eleven billion, one hundred ten million, one hundred thousand, two hundred two".