211021100122 has 32 divisors (see below), whose sum is σ = 373457240064. Its totient is φ = 87511503600.

The previous prime is 211021100107. The next prime is 211021100131. The reversal of 211021100122 is 221001120112.

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, 6063423 + ... + 6098125.

It is an arithmetic number, because the mean of its divisors is an integer number (11670538752).

Almost surely, 2^211021100122 is an apocalyptic number.

211021100122 is a deficient number, since it is larger than the sum of its proper divisors (162436139942).

211021100122 is a wasteful number, since it uses less digits than its factorization.

211021100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48754.

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

Adding to 211021100122 its reverse (221001120112), we get a palindrome (432022220234).

The spelling of 211021100122 in words is "two hundred eleven billion, twenty-one million, one hundred thousand, one hundred twenty-two".