1002111201010 has 128 divisors (see below), whose sum is σ = 1958274662400. Its totient is φ = 367975872000.

The previous prime is 1002111200989. The next prime is 1002111201011. The reversal of 1002111201010 is 101021112001.

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 (1002111201011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1011211615 + ... + 1011212605.

It is an arithmetic number, because the mean of its divisors is an integer number (15299020800).

Almost surely, 2^{1002111201010} is an apocalyptic number.

1002111201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002111201010 is a deficient number, since it is larger than the sum of its proper divisors (956163461390).

1002111201010 is a wasteful number, since it uses less digits than its factorization.

1002111201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808.

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

Adding to 1002111201010 its reverse (101021112001), we get a palindrome (1103132313011).

The spelling of 1002111201010 in words is "one trillion, two billion, one hundred eleven million, two hundred one thousand, ten".