1021000023010 has 16 divisors (see below), whose sum is σ = 2004872772672. Its totient is φ = 371272735600.

The previous prime is 1021000023007. The next prime is 1021000023013. The reversal of 1021000023010 is 103200001201.

It is an interprime number because it is at equal distance from previous prime (1021000023007) and next prime (1021000023013).

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 (1021000023013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4640909086 + ... + 4640909305.

It is an arithmetic number, because the mean of its divisors is an integer number (125304548292).

Almost surely, 2^{1021000023010} is an apocalyptic number.

1021000023010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021000023010 is a deficient number, since it is larger than the sum of its proper divisors (983872749662).

1021000023010 is a wasteful number, since it uses less digits than its factorization.

1021000023010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9281818409.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1021000023010 its reverse (103200001201), we get a palindrome (1124200024211).

The spelling of 1021000023010 in words is "one trillion, twenty-one billion, twenty-three thousand, ten".