10200120111010 has 32 divisors (see below), whose sum is σ = 18997688723760. Its totient is φ = 3938452100352.

The previous prime is 10200120110993. The next prime is 10200120111019. The reversal of 10200120111010 is 1011102100201.

It can be written as a sum of positive squares in 8 ways, for example, as 6762948721489 + 3437171389521 = 2600567^2 + 1853961^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10200120111019) 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, 2772829 + ... + 5299888.

Almost surely, 2^{10200120111010} is an apocalyptic number.

10200120111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10200120111010 is a deficient number, since it is larger than the sum of its proper divisors (8797568612750).

10200120111010 is a wasteful number, since it uses less digits than its factorization.

10200120111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8077110.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10200120111010 its reverse (1011102100201), we get a palindrome (11211222211211).

The spelling of 10200120111010 in words is "ten trillion, two hundred billion, one hundred twenty million, one hundred eleven thousand, ten".