1001020111010 has 16 divisors (see below), whose sum is σ = 1802801330496. Its totient is φ = 400193570928.

The previous prime is 1001020110977. The next prime is 1001020111033. The reversal of 1001020111010 is 101110201001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26789582 + ... + 26826921.

It is an arithmetic number, because the mean of its divisors is an integer number (112675083156).

Almost surely, 2^{1001020111010} is an apocalyptic number.

1001020111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001020111010 is a deficient number, since it is larger than the sum of its proper divisors (801781219486).

1001020111010 is a wasteful number, since it uses less digits than its factorization.

1001020111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53618377.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1001020111010 its reverse (101110201001), we get a palindrome (1102130312011).

The spelling of 1001020111010 in words is "one trillion, one billion, twenty million, one hundred eleven thousand, ten".