102100021002222 has 64 divisors (see below), whose sum is σ = 219823739308800. Its totient is φ = 31496600839680.

The previous prime is 102100021002211. The next prime is 102100021002253. The reversal of 102100021002222 is 222200120001201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17759929 + ... + 22795067.

It is an arithmetic number, because the mean of its divisors is an integer number (3434745926700).

Almost surely, 2^{102100021002222} is an apocalyptic number.

102100021002222 is an abundant number, since it is smaller than the sum of its proper divisors (117723718306578).

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

102100021002222 is a wasteful number, since it uses less digits than its factorization.

102100021002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5038481.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102100021002222 its reverse (222200120001201), we get a palindrome (324300141003423).

The spelling of 102100021002222 in words is "one hundred two trillion, one hundred billion, twenty-one million, two thousand, two hundred twenty-two".