1002201101210 has 16 divisors (see below), whose sum is σ = 1804144360392. Its totient is φ = 400839912000.

The previous prime is 1002201101203. The next prime is 1002201101249. The reversal of 1002201101210 is 121011022001.

It can be written as a sum of positive squares in 4 ways, for example, as 985717365889 + 16483735321 = 992833^2 + 128389^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1002201101191 and 1002201101200.

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, 4962101 + ... + 5160120.

Almost surely, 2^{1002201101210} is an apocalyptic number.

1002201101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002201101210 is a deficient number, since it is larger than the sum of its proper divisors (801943259182).

1002201101210 is a wasteful number, since it uses less digits than its factorization.

1002201101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10132129.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1002201101210 its reverse (121011022001), we get a palindrome (1123212123211).

The spelling of 1002201101210 in words is "one trillion, two billion, two hundred one million, one hundred one thousand, two hundred ten".