Search a number
-
+
1020222011211 = 313171538796397
BaseRepresentation
bin11101101100010011111…
…10000111011101001011
310121112101000201000212020
432312021332013131023
5113203403313324321
62100403350215523
7133465024003644
oct16661176073513
93545330630766
101020222011211
11363745801257
121458863545a3
137528b966450
14375440006cb
151b811c384c6
hexed89f8774b

1020222011211 has 16 divisors (see below), whose sum is σ = 1551106769184. Its totient is φ = 590897816064.

The previous prime is 1020222011203. The next prime is 1020222011219. The reversal of 1020222011211 is 1121102220201.

It is an interprime number because it is at equal distance from previous prime (1020222011203) and next prime (1020222011219).

It is not a de Polignac number, because 1020222011211 - 23 = 1020222011203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020222011219) 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, 769397536 + ... + 769398861.

It is an arithmetic number, because the mean of its divisors is an integer number (96944173074).

Almost surely, 21020222011211 is an apocalyptic number.

1020222011211 is a deficient number, since it is larger than the sum of its proper divisors (530884757973).

1020222011211 is a wasteful number, since it uses less digits than its factorization.

1020222011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538796430.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1020222011211 its reverse (1121102220201), we get a palindrome (2141324231412).

The spelling of 1020222011211 in words is "one trillion, twenty billion, two hundred twenty-two million, eleven thousand, two hundred eleven".

Divisors: 1 3 13 17 39 51 221 663 1538796397 4616389191 20004353161 26159538749 60013059483 78478616247 340074003737 1020222011211