2111220102 has 8 divisors (see below), whose sum is σ = 4222440216. Its totient is φ = 703740032.

The previous prime is 2111220091. The next prime is 2111220109. The reversal of 2111220102 is 2010221112.

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

2111220102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111220109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175935003 + ... + 175935014.

It is an arithmetic number, because the mean of its divisors is an integer number (527805027).

Almost surely, 2^2111220102 is an apocalyptic number.

2111220102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2111220102 is a wasteful number, since it uses less digits than its factorization.

2111220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351870022.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2111220102 is about 45948.0152128468. The cubic root of 2111220102 is about 1282.8557864435.

Adding to 2111220102 its reverse (2010221112), we get a palindrome (4121441214).

It can be divided in two parts, 21112 and 20102, that multiplied together give a palindrome (424393424).

The spelling of 2111220102 in words is "two billion, one hundred eleven million, two hundred twenty thousand, one hundred two".