2111222100102 has 16 divisors (see below), whose sum is σ = 4225546673712. Its totient is φ = 703223621120.

The previous prime is 2111222100089. The next prime is 2111222100109. The reversal of 2111222100102 is 2010012221112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111222100109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129260883 + ... + 129277214.

It is an arithmetic number, because the mean of its divisors is an integer number (264096667107).

Almost surely, 2^{2111222100102} is an apocalyptic number.

2111222100102 is an abundant number, since it is smaller than the sum of its proper divisors (2114324573610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111222100102 is a wasteful number, since it uses less digits than its factorization.

2111222100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258539463.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2111222100102 its reverse (2010012221112), we get a palindrome (4121234321214).

The spelling of 2111222100102 in words is "two trillion, one hundred eleven billion, two hundred twenty-two million, one hundred thousand, one hundred two".