1000102220121 has 16 divisors (see below), whose sum is σ = 1369560253248. Its totient is φ = 648690840000.

The previous prime is 1000102220111. The next prime is 1000102220123. The reversal of 1000102220121 is 1210222010001.

It is not a de Polignac number, because 1000102220121 - 2⁶ = 1000102220057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000102220097 and 1000102220106.

It is not an unprimeable number, because it can be changed into a prime (1000102220123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3121906 + ... + 3427316.

It is an arithmetic number, because the mean of its divisors is an integer number (85597515828).

Almost surely, 2^{1000102220121} is an apocalyptic number.

It is an amenable number.

1000102220121 is a deficient number, since it is larger than the sum of its proper divisors (369458033127).

1000102220121 is a wasteful number, since it uses less digits than its factorization.

1000102220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334952.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1000102220121 its reverse (1210222010001), we get a palindrome (2210324230122).

The spelling of 1000102220121 in words is "one trillion, one hundred two million, two hundred twenty thousand, one hundred twenty-one".