1020022111212 has 96 divisors (see below), whose sum is σ = 2674910407680. Its totient is φ = 300169309440.

The previous prime is 1020022111193. The next prime is 1020022111231. The reversal of 1020022111212 is 2121112200201.

It is an interprime number because it is at equal distance from previous prime (1020022111193) and next prime (1020022111231).

It is a super-2 number, since 2×1020022111212² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020022111191 and 1020022111200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42437614 + ... + 42461642.

It is an arithmetic number, because the mean of its divisors is an integer number (27863650080).

Almost surely, 2^{1020022111212} is an apocalyptic number.

1020022111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020022111212 is an abundant number, since it is smaller than the sum of its proper divisors (1654888296468).

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

1020022111212 is a wasteful number, since it uses less digits than its factorization.

1020022111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35903 (or 35901 counting only the distinct ones).

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

Adding to 1020022111212 its reverse (2121112200201), we get a palindrome (3141134311413).

The spelling of 1020022111212 in words is "one trillion, twenty billion, twenty-two million, one hundred eleven thousand, two hundred twelve".