2101022111002 has 8 divisors (see below), whose sum is σ = 3151624828212. Its totient is φ = 1050480501600.

The previous prime is 2101022110981. The next prime is 2101022111009. The reversal of 2101022111002 is 2001112201012.

It can be written as a sum of positive squares in 2 ways, for example, as 1943372614401 + 157649496601 = 1394049^2 + 397051^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2101022111002³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2101022111009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15190899 + ... + 15328582.

Almost surely, 2^{2101022111002} is an apocalyptic number.

2101022111002 is a deficient number, since it is larger than the sum of its proper divisors (1050602717210).

2101022111002 is a wasteful number, since it uses less digits than its factorization.

2101022111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30553904.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2101022111002 its reverse (2001112201012), we get a palindrome (4102134312014).

The spelling of 2101022111002 in words is "two trillion, one hundred one billion, twenty-two million, one hundred eleven thousand, two".