102100122220010 has 16 divisors (see below), whose sum is σ = 186793010488872. Its totient is φ = 40170539889600.

The previous prime is 102100122219971. The next prime is 102100122220153. The reversal of 102100122220010 is 10022221001201.

It can be written as a sum of positive squares in 4 ways, for example, as 66573670614361 + 35526451605649 = 8159269^2 + 5960407^2 .

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, 83688624161 + ... + 83688625380.

Almost surely, 2^{102100122220010} is an apocalyptic number.

102100122220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102100122220010 is a deficient number, since it is larger than the sum of its proper divisors (84692888268862).

102100122220010 is a wasteful number, since it uses less digits than its factorization.

102100122220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167377249609.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102100122220010 its reverse (10022221001201), we get a palindrome (112122343221211).

The spelling of 102100122220010 in words is "one hundred two trillion, one hundred billion, one hundred twenty-two million, two hundred twenty thousand, ten".