2101211102 has 8 divisors (see below), whose sum is σ = 3317701800. Its totient is φ = 995310504.

The previous prime is 2101211087. The next prime is 2101211113. The reversal of 2101211102 is 2011121012.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27647477 + ... + 27647552.

It is an arithmetic number, because the mean of its divisors is an integer number (414712725).

Almost surely, 2^2101211102 is an apocalyptic number.

2101211102 is a deficient number, since it is larger than the sum of its proper divisors (1216490698).

2101211102 is a wasteful number, since it uses less digits than its factorization.

2101211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55295050.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2101211102 is about 45838.9692510641. The cubic root of 2101211102 is about 1280.8252941841.

Adding to 2101211102 its reverse (2011121012), we get a palindrome (4112332114).

The spelling of 2101211102 in words is "two billion, one hundred one million, two hundred eleven thousand, one hundred two".