1002020221010 has 32 divisors (see below), whose sum is σ = 1811596026240. Its totient is φ = 399039699328.

The previous prime is 1002020221009. The next prime is 1002020221117. The reversal of 1002020221010 is 101220202001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1002020220982 and 1002020221000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24078401 + ... + 24119979.

It is an arithmetic number, because the mean of its divisors is an integer number (56612375820).

Almost surely, 2^{1002020221010} is an apocalyptic number.

1002020221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002020221010 is a deficient number, since it is larger than the sum of its proper divisors (809575805230).

1002020221010 is a wasteful number, since it uses less digits than its factorization.

1002020221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52162.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1002020221010 its reverse (101220202001), we get a palindrome (1103240423011).

The spelling of 1002020221010 in words is "one trillion, two billion, twenty million, two hundred twenty-one thousand, ten".