102011220201122 has 4 divisors (see below), whose sum is σ = 153016830301686. Its totient is φ = 51005610100560.

The previous prime is 102011220201109. The next prime is 102011220201139. The reversal of 102011220201122 is 221102022110201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 76543058734321 + 25468161466801 = 8748889^2 + 5046599^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102011220201122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25502805050279 + ... + 25502805050282.

Almost surely, 2^{102011220201122} is an apocalyptic number.

102011220201122 is a deficient number, since it is larger than the sum of its proper divisors (51005610100564).

102011220201122 is an equidigital number, since it uses as much as digits as its factorization.

102011220201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51005610100563.

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

Adding to 102011220201122 its reverse (221102022110201), we get a palindrome (323113242311323).

The spelling of 102011220201122 in words is "one hundred two trillion, eleven billion, two hundred twenty million, two hundred one thousand, one hundred twenty-two".