101220111121022 has 4 divisors (see below), whose sum is σ = 151830166681536. Its totient is φ = 50610055560510.

The previous prime is 101220111121009. The next prime is 101220111121033. The reversal of 101220111121022 is 220121111022101.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25305027780254 + ... + 25305027780257.

It is an arithmetic number, because the mean of its divisors is an integer number (37957541670384).

Almost surely, 2^{101220111121022} is an apocalyptic number.

101220111121022 is a deficient number, since it is larger than the sum of its proper divisors (50610055560514).

101220111121022 is an equidigital number, since it uses as much as digits as its factorization.

101220111121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50610055560513.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101220111121022 its reverse (220121111022101), we get a palindrome (321341222143123).

The spelling of 101220111121022 in words is "one hundred one trillion, two hundred twenty billion, one hundred eleven million, one hundred twenty-one thousand, twenty-two".