1022111203020 has 48 divisors (see below), whose sum is σ = 2871679033440. Its totient is φ = 271632733696.

The previous prime is 1022111202991. The next prime is 1022111203049. The reversal of 1022111203020 is 203021112201.

It is an interprime number because it is at equal distance from previous prime (1022111202991) and next prime (1022111203049).

It is a super-2 number, since 2×1022111203020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29052705 + ... + 29087864.

It is an arithmetic number, because the mean of its divisors is an integer number (59826646530).

Almost surely, 2^{1022111203020} is an apocalyptic number.

1022111203020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022111203020 is an abundant number, since it is smaller than the sum of its proper divisors (1849567830420).

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

1022111203020 is a wasteful number, since it uses less digits than its factorization.

1022111203020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58140874 (or 58140872 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1022111203020 its reverse (203021112201), we get a palindrome (1225132315221).

The spelling of 1022111203020 in words is "one trillion, twenty-two billion, one hundred eleven million, two hundred three thousand, twenty".