10202211022212 has 108 divisors (see below), whose sum is σ = 28562888482128. Its totient is φ = 3067979085600.

The previous prime is 10202211022103. The next prime is 10202211022313. The reversal of 10202211022212 is 21222011220201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8368698 + ... + 9509969.

Almost surely, 2^{10202211022212} is an apocalyptic number.

10202211022212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10202211022212 is an abundant number, since it is smaller than the sum of its proper divisors (18360677459916).

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

10202211022212 is a wasteful number, since it uses less digits than its factorization.

10202211022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17878830 (or 17878814 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10202211022212 its reverse (21222011220201), we get a palindrome (31424222242413).

The spelling of 10202211022212 in words is "ten trillion, two hundred two billion, two hundred eleven million, twenty-two thousand, two hundred twelve".