1211112020202 has 16 divisors (see below), whose sum is σ = 2768256046272. Its totient is φ = 346032005760.

The previous prime is 1211112020191. The next prime is 1211112020227. The reversal of 1211112020202 is 2020202111121.

It is a super-2 number, since 2×1211112020202² (a number of 25 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, 14418000199 + ... + 14418000282.

It is an arithmetic number, because the mean of its divisors is an integer number (173016002892).

Almost surely, 2^{1211112020202} is an apocalyptic number.

1211112020202 is an abundant number, since it is smaller than the sum of its proper divisors (1557144026070).

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

1211112020202 is a wasteful number, since it uses less digits than its factorization.

1211112020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28836000493.

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

Adding to 1211112020202 its reverse (2020202111121), we get a palindrome (3231314131323).

The spelling of 1211112020202 in words is "one trillion, two hundred eleven billion, one hundred twelve million, twenty thousand, two hundred two".