1011020022210 has 128 divisors (see below), whose sum is σ = 2769088425984. Its totient is φ = 233848200960.

The previous prime is 1011020022197. The next prime is 1011020022211. The reversal of 1011020022210 is 122200201101.

It is a super-2 number, since 2×1011020022210² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1011020022211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2845467 + ... + 3180993.

It is an arithmetic number, because the mean of its divisors is an integer number (21633503328).

Almost surely, 2^{1011020022210} is an apocalyptic number.

1011020022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011020022210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1384544212992).

1011020022210 is an abundant number, since it is smaller than the sum of its proper divisors (1758068403774).

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

1011020022210 is a wasteful number, since it uses less digits than its factorization.

1011020022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335968.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1011020022210 its reverse (122200201101), we get a palindrome (1133220223311).

The spelling of 1011020022210 in words is "one trillion, eleven billion, twenty million, twenty-two thousand, two hundred ten".