2101121220002 has 48 divisors (see below), whose sum is σ = 3735317980800. Its totient is φ = 883660169952.

The previous prime is 2101121219987. The next prime is 2101121220019. The reversal of 2101121220002 is 2000221211012.

It is a super-2 number, since 2×2101121220002² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 345143 + ... + 2078789.

It is an arithmetic number, because the mean of its divisors is an integer number (77819124600).

Almost surely, 2^{2101121220002} is an apocalyptic number.

2101121220002 is a deficient number, since it is larger than the sum of its proper divisors (1634196760798).

2101121220002 is a wasteful number, since it uses less digits than its factorization.

2101121220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733895 (or 1733888 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2101121220002 its reverse (2000221211012), we get a palindrome (4101342431014).

The spelling of 2101121220002 in words is "two trillion, one hundred one billion, one hundred twenty-one million, two hundred twenty thousand, two".