2102101221122 has 16 divisors (see below), whose sum is σ = 3604818364992. Its totient is φ = 900596455440.

The previous prime is 2102101221107. The next prime is 2102101221137. The reversal of 2102101221122 is 2211221012012.

It is an interprime number because it is at equal distance from previous prime (2102101221107) and next prime (2102101221137).

It is a self number, because there is not a number n which added to its sum of digits gives 2102101221122.

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, 25296029 + ... + 25378992.

It is an arithmetic number, because the mean of its divisors is an integer number (225301147812).

Almost surely, 2^{2102101221122} is an apocalyptic number.

2102101221122 is a deficient number, since it is larger than the sum of its proper divisors (1502717143870).

2102101221122 is a wasteful number, since it uses less digits than its factorization.

2102101221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50677993.

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

Adding to 2102101221122 its reverse (2211221012012), we get a palindrome (4313322233134).

The spelling of 2102101221122 in words is "two trillion, one hundred two billion, one hundred one million, two hundred twenty-one thousand, one hundred twenty-two".