21030127042002 has 32 divisors (see below), whose sum is σ = 46519865230272. Its totient is φ = 6295921608384.

The previous prime is 21030127041983. The next prime is 21030127042021. The reversal of 21030127042002 is 20024072103012.

It is an interprime number because it is at equal distance from previous prime (21030127041983) and next prime (21030127042021).

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, 3643470268 + ... + 3643476039.

It is an arithmetic number, because the mean of its divisors is an integer number (1453745788446).

Almost surely, 2^{21030127042002} is an apocalyptic number.

21030127042002 is an abundant number, since it is smaller than the sum of its proper divisors (25489738188270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21030127042002 is a wasteful number, since it uses less digits than its factorization.

21030127042002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7286946362.

The product of its (nonzero) digits is 1344, while the sum is 24.

Adding to 21030127042002 its reverse (20024072103012), we get a palindrome (41054199145014).

The spelling of 21030127042002 in words is "twenty-one trillion, thirty billion, one hundred twenty-seven million, forty-two thousand, two".