2002101121215 has 24 divisors (see below), whose sum is σ = 3737255427360. Its totient is φ = 985649782464.

The previous prime is 2002101121201. The next prime is 2002101121243. The reversal of 2002101121215 is 5121211012002.

It is not a de Polignac number, because 2002101121215 - 2⁷ = 2002101121087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1711196955 + ... + 1711198124.

It is an arithmetic number, because the mean of its divisors is an integer number (155718976140).

Almost surely, 2^{2002101121215} is an apocalyptic number.

2002101121215 is a deficient number, since it is larger than the sum of its proper divisors (1735154306145).

2002101121215 is a wasteful number, since it uses less digits than its factorization.

2002101121215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422395103 (or 3422395100 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

Adding to 2002101121215 its reverse (5121211012002), we get a palindrome (7123312133217).

The spelling of 2002101121215 in words is "two trillion, two billion, one hundred one million, one hundred twenty-one thousand, two hundred fifteen".