10101220092 has 54 divisors (see below), whose sum is σ = 25959430224. Its totient is φ = 3311831520.

The previous prime is 10101220069. The next prime is 10101220099. The reversal of 10101220092 is 29002210101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101220099) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 96253 + ... + 171659.

Almost surely, 2^10101220092 is an apocalyptic number.

10101220092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10101220092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12979715112).

10101220092 is an abundant number, since it is smaller than the sum of its proper divisors (15858210132).

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

10101220092 is a wasteful number, since it uses less digits than its factorization.

10101220092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75539 (or 75473 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 10101220092 its reverse (29002210101), we get a palindrome (39103430193).

It can be divided in two parts, 101012 and 20092, that added together give a square (121104 = 348²).

The spelling of 10101220092 in words is "ten billion, one hundred one million, two hundred twenty thousand, ninety-two".