1011222020010 has 32 divisors (see below), whose sum is σ = 2427073762752. Its totient is φ = 269643548160.

The previous prime is 1011222019999. The next prime is 1011222020021. The reversal of 1011222020010 is 100202221101.

It is an interprime number because it is at equal distance from previous prime (1011222019999) and next prime (1011222020021).

It is a super-3 number, since 3×1011222020010³ (a number of 37 digits) contains 333 as substring.

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, 448576 + ... + 1491195.

It is an arithmetic number, because the mean of its divisors is an integer number (75846055086).

Almost surely, 2^{1011222020010} is an apocalyptic number.

1011222020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011222020010 is an abundant number, since it is smaller than the sum of its proper divisors (1415851742742).

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

1011222020010 is a wasteful number, since it uses less digits than its factorization.

1011222020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957158.

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

Adding to 1011222020010 its reverse (100202221101), we get a palindrome (1111424241111).

The spelling of 1011222020010 in words is "one trillion, eleven billion, two hundred twenty-two million, twenty thousand, ten".