2101222122002 has 16 divisors (see below), whose sum is σ = 3153104237400. Its totient is φ = 1050187462272.

The previous prime is 2101222121987. The next prime is 2101222122053. The reversal of 2101222122002 is 2002212221012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2098902640081 + 2319481921 = 1448759^2 + 48161^2 .

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, 69716528 + ... + 69746660.

Almost surely, 2^{2101222122002} is an apocalyptic number.

2101222122002 is a deficient number, since it is larger than the sum of its proper divisors (1051882115398).

2101222122002 is a wasteful number, since it uses less digits than its factorization.

2101222122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43037.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2101222122002 its reverse (2002212221012), we get a palindrome (4103434343014).

The spelling of 2101222122002 in words is "two trillion, one hundred one billion, two hundred twenty-two million, one hundred twenty-two thousand, two".