121022211021101 has 16 divisors (see below), whose sum is σ = 135998733024000. Its totient is φ = 106855315564800.

The previous prime is 121022211021083. The next prime is 121022211021119. The reversal of 121022211021101 is 101120112220121.

It is an interprime number because it is at equal distance from previous prime (121022211021083) and next prime (121022211021119).

It is a cyclic number.

It is not a de Polignac number, because 121022211021101 - 2¹⁰ = 121022211020077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121022211021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022211021301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96025376 + ... + 97277526.

It is an arithmetic number, because the mean of its divisors is an integer number (8499920814000).

Almost surely, 2^{121022211021101} is an apocalyptic number.

It is an amenable number.

121022211021101 is a deficient number, since it is larger than the sum of its proper divisors (14976522002899).

121022211021101 is a wasteful number, since it uses less digits than its factorization.

121022211021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575436.

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

Adding to 121022211021101 its reverse (101120112220121), we get a palindrome (222142323241222).

The spelling of 121022211021101 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred eleven million, twenty-one thousand, one hundred one".