1022120022210 has 48 divisors (see below), whose sum is σ = 2853592229376. Its totient is φ = 233627433312.

The previous prime is 1022120022181. The next prime is 1022120022211. The reversal of 1022120022210 is 122200212201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1022120022210.

It is not an unprimeable number, because it can be changed into a prime (1022120022211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 347658402 + ... + 347661341.

It is an arithmetic number, because the mean of its divisors is an integer number (59449838112).

Almost surely, 2^{1022120022210} is an apocalyptic number.

1022120022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022120022210 is an abundant number, since it is smaller than the sum of its proper divisors (1831472207166).

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

1022120022210 is a wasteful number, since it uses less digits than its factorization.

1022120022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695319767 (or 695319760 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1022120022210 its reverse (122200212201), we get a palindrome (1144320234411).

The spelling of 1022120022210 in words is "one trillion, twenty-two billion, one hundred twenty million, twenty-two thousand, two hundred ten".