1000010211220 has 48 divisors (see below), whose sum is σ = 2246787446400. Its totient is φ = 372738913920.

The previous prime is 1000010211217. The next prime is 1000010211223. The reversal of 1000010211220 is 221120100001.

1000010211220 is digitally balanced in base 2, because in such base 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 (1000010211217) and next prime (1000010211223).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1000010211197 and 1000010211206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000010211223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21547360 + ... + 21593719.

It is an arithmetic number, because the mean of its divisors is an integer number (46808071800).

Almost surely, 2^{1000010211220} is an apocalyptic number.

1000010211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000010211220 is an abundant number, since it is smaller than the sum of its proper divisors (1246777235180).

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

1000010211220 is a wasteful number, since it uses less digits than its factorization.

1000010211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43141168 (or 43141166 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1000010211220 its reverse (221120100001), we get a palindrome (1221130311221).

The spelling of 1000010211220 in words is "one trillion, ten million, two hundred eleven thousand, two hundred twenty".