2211201210122 has 16 divisors (see below), whose sum is σ = 3342052045800. Its totient is φ = 1097197149888.

The previous prime is 2211201210107. The next prime is 2211201210133. The reversal of 2211201210122 is 2210121021122.

It can be written as a sum of positive squares in 4 ways, for example, as 1377926170201 + 833275039921 = 1173851^2 + 912839^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2211201210122.

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, 2988593 + ... + 3654324.

Almost surely, 2^{2211201210122} is an apocalyptic number.

2211201210122 is a deficient number, since it is larger than the sum of its proper divisors (1130850835678).

2211201210122 is a wasteful number, since it uses less digits than its factorization.

2211201210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6644185.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2211201210122 its reverse (2210121021122), we get a palindrome (4421322231244).

The spelling of 2211201210122 in words is "two trillion, two hundred eleven billion, two hundred one million, two hundred ten thousand, one hundred twenty-two".