1011122021210 has 48 divisors (see below), whose sum is σ = 2119470416640. Its totient is φ = 346293027360.

The previous prime is 1011122021149. The next prime is 1011122021213. The reversal of 1011122021210 is 121202211101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1011122021213) 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, 672386 + ... + 1573005.

It is an arithmetic number, because the mean of its divisors is an integer number (44155633680).

Almost surely, 2^{1011122021210} is an apocalyptic number.

1011122021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011122021210 is an abundant number, since it is smaller than the sum of its proper divisors (1108348395430).

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

1011122021210 is a wasteful number, since it uses less digits than its factorization.

1011122021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246331 (or 2246324 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1011122021210 its reverse (121202211101), we get a palindrome (1132324232311).

The spelling of 1011122021210 in words is "one trillion, eleven billion, one hundred twenty-two million, twenty-one thousand, two hundred ten".