1011202210020 has 96 divisors (see below), whose sum is σ = 2925730459008. Its totient is φ = 260756278272.

The previous prime is 1011202210019. The next prime is 1011202210021. The reversal of 1011202210020 is 200122021101.

1011202210020 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1011202210019) and next prime (1011202210021).

It is a super-3 number, since 3×1011202210020³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1011202209978 and 1011202210005.

It is not an unprimeable number, because it can be changed into a prime (1011202210021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1035369 + ... + 1759088.

It is an arithmetic number, because the mean of its divisors is an integer number (30476358948).

Almost surely, 2^{1011202210020} is an apocalyptic number.

1011202210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011202210020 is an abundant number, since it is smaller than the sum of its proper divisors (1914528248988).

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

1011202210020 is a wasteful number, since it uses less digits than its factorization.

1011202210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794669 (or 2794667 counting only the distinct ones).

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

Adding to 1011202210020 its reverse (200122021101), we get a palindrome (1211324231121).

The spelling of 1011202210020 in words is "one trillion, eleven billion, two hundred two million, two hundred ten thousand, twenty".