10202121111022 has 4 divisors (see below), whose sum is σ = 15303181666536. Its totient is φ = 5101060555510.

The previous prime is 10202121110983. The next prime is 10202121111023. The reversal of 10202121111022 is 22011112120201.

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

It is a junction number, because it is equal to n+sod(n) for n = 10202121110987 and 10202121111005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202121111023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550530277754 + ... + 2550530277757.

It is an arithmetic number, because the mean of its divisors is an integer number (3825795416634).

Almost surely, 2^{10202121111022} is an apocalyptic number.

10202121111022 is a deficient number, since it is larger than the sum of its proper divisors (5101060555514).

10202121111022 is an equidigital number, since it uses as much as digits as its factorization.

10202121111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101060555513.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10202121111022 its reverse (22011112120201), we get a palindrome (32213233231223).

The spelling of 10202121111022 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, one hundred eleven thousand, twenty-two".